31) What precaution to be taken while disconnecting the ammeter from terminals of CT (Current Transformer)?
Answer is:
Short circuiting the terminal of the CT before disconnecting the ammeter
ISRO Technician-B Electrician Question Paper - 2017 (Set - 1) with Answer Key
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Answer is:
To make the reading free from an error by removing parallax between the pointer and its image
Answer is:
1.5 square millimeter
Answer is: